最終更新日：2024/08/02

A low, flattened, dome-like natural mound found in the northwestern United States, composed of loose, unstratified, often gravelly sediment.

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Mima mound

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Mima mound

noun

A low, flattened, dome-like natural mound found in the northwestern United States, composed of loose, unstratified, often gravelly sediment.

The Mima mound is a unique geological feature found in Washington state.

意味（1）

A low, flattened, dome-like natural mound found in the northwestern United States, composed of loose, unstratified, often gravelly sediment.